My ideal scientific endeavor is to concentrate my work on the problem of dark energy. (scientificamerican.com)
You couldn't possibly spend all day every day on it, but even just 30 minutes of concentrated work every day will move you that much closer to the finish line. (thejobnetwork.com)
Next time you have a complex problem to tackle try experimenting with creating space in your day for concentrated work. (slaw.ca)